(List
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('THISDIR', {[ComSub (Com {[LIT_CHARS dirname]} {[VarSub 0]})]})])
  (FunctionDef setup_memcheck []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('RUN_COMMAND', {[DQ [LIT_CHARS valgrind]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('DEFAULT_TOOL_FLAGS', {[Array {[DQ [LIT_CHARS "--db-command=gdb -nw %f %p"]]} {[DQ [LIT_CHARS "--db-attach=yes"]]} {OP_NEWLINE "\n"} {[DQ [LIT_CHARS "--vex-iropt-register-updates=allregs-at-mem-access"]]} {OP_NEWLINE "\n"} {[DQ [LIT_CHARS "--malloc-fill=41"]]} {[DQ [LIT_CHARS "--free-fill=41"]]} {OP_NEWLINE "\n"} {[DQ [LIT_CHARS "--num-callers=30"]]}]})])
    )
  )
  (FunctionDef setup_tsan []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('RUN_COMMAND', {[DQ [LIT_CHARS valgrind-tsan.sh]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('IGNORE_FILE', {[DQ [VarSub THISDIR][LIT_CHARS /tsan/ignores.txt]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('DEFAULT_TOOL_FLAGS', {[Array {[DQ [LIT_CHARS --announce-threads]]} {[DQ [LIT_CHARS "--pure-happens-before=yes"]]} {[DQ [LIT_CHARS "--ignore="][VarSub IGNORE_FILE]]}]})])
    )
  )
  (FunctionDef setup_unknown []
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Unknown tool "][\ LIT_ESCAPED_CHAR "\\\""][VarSub TOOL_NAME][\ LIT_ESCAPED_CHAR "\\\""][LIT_CHARS " specified, the result is not guaranteed"]]})
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('DEFAULT_TOOL_FLAGS', {[Array ]})])
    )
  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]})
  (If
    (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "usage: <command to run> <arguments ...>"]]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('TOOL_NAME', {[DQ [LIT_CHARS memcheck]]})])
  (= scope=<EAssignScope.LOCAL 0> flags=0 words=[{[LIT_CHARS -a]}, {[LIT_CHARS DEFAULT_TOOL_FLAGS] [LIT_OTHER "["] [LIT_CHARS 0] [LIT_OTHER "]"]}] bindings=[])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('TMP_STR', {[ComSub (Pipeline (Com {[LIT_CHARS echo]} {[VarSub 1]}) (Com {[LIT_CHARS sed]} {[SQ <LIT_CHARS "s/^\\-\\-tool=//">]}) )]})])
  (If
    (Com {[LIT_OTHER "["]} {[DQ [VarSub TMP_STR]]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('TOOL_NAME', {[DQ [VarSub TMP_STR]]})])
      (Com {[LIT_CHARS shift]})
    )
  )
  (If
    (Pipeline
      (Com {[LIT_CHARS echo]} {[DQ [VarSub @]]})
      (Com {[LIT_CHARS grep]} {[DQ [\ LIT_ESCAPED_CHAR "\\-"][\ LIT_ESCAPED_CHAR "\\-"][LIT_CHARS tool]]})
    )
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "--tool=TOOL must be the first argument"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (Case to_match={[VarSub TOOL_NAME]}, pat_word_list=[[{[LIT_CHARS memcheck] [LIT_OTHER "*"]}], [{[LIT_CHARS tsan] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"]}]]
    (Com {[LIT_CHARS setup_memcheck]} {[DQ [VarSub 1]]})
    (Com {[LIT_CHARS setup_tsan]})
    (Com {[LIT_CHARS setup_unknown]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('SUPPRESSIONS', {[DQ [VarSub THISDIR][LIT_CHARS /][VarSub TOOL_NAME][LIT_CHARS /suppressions.txt]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('CHROME_VALGRIND', {[ComSub (Com {[LIT_CHARS sh]} {[VarSub THISDIR] [LIT_CHARS /locate_valgrind.sh]})]})])
  (If
    (Com {[LIT_OTHER "["]} {[DQ [VarSub CHROME_VALGRIND]]} {[LIT_OTHER "="]} {[DQ ]} {[LIT_OTHER "]"]})
    (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Using valgrind binaries from "][VarSub CHROME_VALGRIND]]})
  (Com {[LIT_CHARS set]} {[LIT_CHARS -x]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PATH', {[DQ [VarSub CHROME_VALGRIND][LIT_CHARS "/bin:"][VarSub PATH]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('VALGRIND_LIB', {[DQ [VarSub CHROME_VALGRIND][LIT_CHARS /lib/valgrind]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('VALGRIND_LIB_INNER', {[DQ [VarSub CHROME_VALGRIND][LIT_CHARS /lib/valgrind]]})])
  (Com {[VarSub RUN_COMMAND]} {[LIT_CHARS --trace-children] [LIT_OTHER "="] [LIT_CHARS yes]} {[LIT_CHARS --leak-check] [LIT_OTHER "="] [LIT_CHARS yes]} {[LIT_CHARS --suppressions] [LIT_OTHER "="] [DQ [VarSub SUPPRESSIONS]]} {[DQ [VarSub DEFAULT_TOOL_FLAGS bracket_op=(Index {A Atom NODE_ARITH_WORD {AS_OP_AT "@"}})]]} {[DQ [VarSub @]]}
    more_env=[('G_SLICE', {[LIT_CHARS always-malloc]}), ('NSS_DISABLE_UNLOAD', {[LIT_CHARS 1]}), ('NSS_DISABLE_ARENA_FREE_LIST', {[LIT_CHARS 1]}), ('G_DEBUG', {[LIT_CHARS fatal_warnings]}), ('GTEST_DEATH_TEST_USE_FORK', {[LIT_CHARS 1]})]
  )
)